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Diffstat (limited to '')
| -rw-r--r-- | drivers/mfd/stmpe.h | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/drivers/mfd/stmpe.h b/drivers/mfd/stmpe.h new file mode 100644 index 000000000..1b4f91d03 --- /dev/null +++ b/drivers/mfd/stmpe.h @@ -0,0 +1,350 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson + */ + +#ifndef __STMPE_H +#define __STMPE_H + +#include <linux/device.h> +#include <linux/mfd/core.h> +#include <linux/mfd/stmpe.h> +#include <linux/printk.h> +#include <linux/types.h> + +extern const struct dev_pm_ops stmpe_dev_pm_ops; + +#ifdef STMPE_DUMP_BYTES +static inline void stmpe_dump_bytes(const char *str, const void *buf, + size_t len) +{ + print_hex_dump_bytes(str, DUMP_PREFIX_OFFSET, buf, len); +} +#else +static inline void stmpe_dump_bytes(const char *str, const void *buf, + size_t len) +{ +} +#endif + +/** + * struct stmpe_variant_block - information about block + * @cell: base mfd cell + * @irq: interrupt number to be added to each IORESOURCE_IRQ + * in the cell + * @block: block id; used for identification with platform data and for + * enable and altfunc callbacks + */ +struct stmpe_variant_block { + const struct mfd_cell *cell; + int irq; + enum stmpe_block block; +}; + +/** + * struct stmpe_variant_info - variant-specific information + * @name: part name + * @id_val: content of CHIPID register + * @id_mask: bits valid in CHIPID register for comparison with id_val + * @num_gpios: number of GPIOS + * @af_bits: number of bits used to specify the alternate function + * @regs: variant specific registers. + * @blocks: list of blocks present on this device + * @num_blocks: number of blocks present on this device + * @num_irqs: number of internal IRQs available on this device + * @enable: callback to enable the specified blocks. + * Called with the I/O lock held. + * @get_altfunc: callback to get the alternate function number for the + * specific block + * @enable_autosleep: callback to configure autosleep with specified timeout + */ +struct stmpe_variant_info { + const char *name; + u16 id_val; + u16 id_mask; + int num_gpios; + int af_bits; + const u8 *regs; + struct stmpe_variant_block *blocks; + int num_blocks; + int num_irqs; + int (*enable)(struct stmpe *stmpe, unsigned int blocks, bool enable); + int (*get_altfunc)(struct stmpe *stmpe, enum stmpe_block block); + int (*enable_autosleep)(struct stmpe *stmpe, int autosleep_timeout); +}; + +/** + * struct stmpe_client_info - i2c or spi specific routines/info + * @data: client specific data + * @read_byte: read single byte + * @write_byte: write single byte + * @read_block: read block or multiple bytes + * @write_block: write block or multiple bytes + * @init: client init routine, called during probe + */ +struct stmpe_client_info { + void *data; + int irq; + void *client; + struct device *dev; + int (*read_byte)(struct stmpe *stmpe, u8 reg); + int (*write_byte)(struct stmpe *stmpe, u8 reg, u8 val); + int (*read_block)(struct stmpe *stmpe, u8 reg, u8 len, u8 *values); + int (*write_block)(struct stmpe *stmpe, u8 reg, u8 len, + const u8 *values); + void (*init)(struct stmpe *stmpe); +}; + +int stmpe_probe(struct stmpe_client_info *ci, enum stmpe_partnum partnum); +void stmpe_remove(struct stmpe *stmpe); + +#define STMPE_ICR_LSB_HIGH (1 << 2) +#define STMPE_ICR_LSB_EDGE (1 << 1) +#define STMPE_ICR_LSB_GIM (1 << 0) + +#define STMPE_SYS_CTRL_RESET (1 << 7) +#define STMPE_SYS_CTRL_INT_EN (1 << 2) +#define STMPE_SYS_CTRL_INT_HI (1 << 0) + +/* + * STMPE801 + */ +#define STMPE801_ID 0x0108 +#define STMPE801_NR_INTERNAL_IRQS 1 + +#define STMPE801_REG_CHIP_ID 0x00 +#define STMPE801_REG_VERSION_ID 0x02 +#define STMPE801_REG_SYS_CTRL 0x04 +#define STMPE801_REG_GPIO_INT_EN 0x08 +#define STMPE801_REG_GPIO_INT_STA 0x09 +#define STMPE801_REG_GPIO_MP_STA 0x10 +#define STMPE801_REG_GPIO_SET_PIN 0x11 +#define STMPE801_REG_GPIO_DIR 0x12 + +/* + * STMPE811 + */ +#define STMPE811_ID 0x0811 + +#define STMPE811_IRQ_TOUCH_DET 0 +#define STMPE811_IRQ_FIFO_TH 1 +#define STMPE811_IRQ_FIFO_OFLOW 2 +#define STMPE811_IRQ_FIFO_FULL 3 +#define STMPE811_IRQ_FIFO_EMPTY 4 +#define STMPE811_IRQ_TEMP_SENS 5 +#define STMPE811_IRQ_ADC 6 +#define STMPE811_IRQ_GPIOC 7 +#define STMPE811_NR_INTERNAL_IRQS 8 + +#define STMPE811_REG_CHIP_ID 0x00 +#define STMPE811_REG_SYS_CTRL 0x03 +#define STMPE811_REG_SYS_CTRL2 0x04 +#define STMPE811_REG_SPI_CFG 0x08 +#define STMPE811_REG_INT_CTRL 0x09 +#define STMPE811_REG_INT_EN 0x0A +#define STMPE811_REG_INT_STA 0x0B +#define STMPE811_REG_GPIO_INT_EN 0x0C +#define STMPE811_REG_GPIO_INT_STA 0x0D +#define STMPE811_REG_GPIO_SET_PIN 0x10 +#define STMPE811_REG_GPIO_CLR_PIN 0x11 +#define STMPE811_REG_GPIO_MP_STA 0x12 +#define STMPE811_REG_GPIO_DIR 0x13 +#define STMPE811_REG_GPIO_ED 0x14 +#define STMPE811_REG_GPIO_RE 0x15 +#define STMPE811_REG_GPIO_FE 0x16 +#define STMPE811_REG_GPIO_AF 0x17 + +#define STMPE811_SYS_CTRL_RESET (1 << 1) + +#define STMPE811_SYS_CTRL2_ADC_OFF (1 << 0) +#define STMPE811_SYS_CTRL2_TSC_OFF (1 << 1) +#define STMPE811_SYS_CTRL2_GPIO_OFF (1 << 2) +#define STMPE811_SYS_CTRL2_TS_OFF (1 << 3) + +/* + * STMPE1600 + */ +#define STMPE1600_ID 0x0016 +#define STMPE1600_NR_INTERNAL_IRQS 16 + +#define STMPE1600_REG_CHIP_ID 0x00 +#define STMPE1600_REG_SYS_CTRL 0x03 +#define STMPE1600_REG_IEGPIOR_LSB 0x08 +#define STMPE1600_REG_IEGPIOR_MSB 0x09 +#define STMPE1600_REG_ISGPIOR_LSB 0x0A +#define STMPE1600_REG_ISGPIOR_MSB 0x0B +#define STMPE1600_REG_GPMR_LSB 0x10 +#define STMPE1600_REG_GPMR_MSB 0x11 +#define STMPE1600_REG_GPSR_LSB 0x12 +#define STMPE1600_REG_GPSR_MSB 0x13 +#define STMPE1600_REG_GPDR_LSB 0x14 +#define STMPE1600_REG_GPDR_MSB 0x15 +#define STMPE1600_REG_GPPIR_LSB 0x16 +#define STMPE1600_REG_GPPIR_MSB 0x17 + +/* + * STMPE1601 + */ + +#define STMPE1601_IRQ_GPIOC 8 +#define STMPE1601_IRQ_PWM3 7 +#define STMPE1601_IRQ_PWM2 6 +#define STMPE1601_IRQ_PWM1 5 +#define STMPE1601_IRQ_PWM0 4 +#define STMPE1601_IRQ_KEYPAD_OVER 2 +#define STMPE1601_IRQ_KEYPAD 1 +#define STMPE1601_IRQ_WAKEUP 0 +#define STMPE1601_NR_INTERNAL_IRQS 9 + +#define STMPE1601_REG_SYS_CTRL 0x02 +#define STMPE1601_REG_SYS_CTRL2 0x03 +#define STMPE1601_REG_ICR_MSB 0x10 +#define STMPE1601_REG_ICR_LSB 0x11 +#define STMPE1601_REG_IER_MSB 0x12 +#define STMPE1601_REG_IER_LSB 0x13 +#define STMPE1601_REG_ISR_MSB 0x14 +#define STMPE1601_REG_ISR_LSB 0x15 +#define STMPE1601_REG_INT_EN_GPIO_MASK_MSB 0x16 +#define STMPE1601_REG_INT_EN_GPIO_MASK_LSB 0x17 +#define STMPE1601_REG_INT_STA_GPIO_MSB 0x18 +#define STMPE1601_REG_INT_STA_GPIO_LSB 0x19 +#define STMPE1601_REG_CHIP_ID 0x80 +#define STMPE1601_REG_GPIO_SET_MSB 0x82 +#define STMPE1601_REG_GPIO_SET_LSB 0x83 +#define STMPE1601_REG_GPIO_CLR_MSB 0x84 +#define STMPE1601_REG_GPIO_CLR_LSB 0x85 +#define STMPE1601_REG_GPIO_MP_MSB 0x86 +#define STMPE1601_REG_GPIO_MP_LSB 0x87 +#define STMPE1601_REG_GPIO_SET_DIR_MSB 0x88 +#define STMPE1601_REG_GPIO_SET_DIR_LSB 0x89 +#define STMPE1601_REG_GPIO_ED_MSB 0x8A +#define STMPE1601_REG_GPIO_ED_LSB 0x8B +#define STMPE1601_REG_GPIO_RE_MSB 0x8C +#define STMPE1601_REG_GPIO_RE_LSB 0x8D +#define STMPE1601_REG_GPIO_FE_MSB 0x8E +#define STMPE1601_REG_GPIO_FE_LSB 0x8F +#define STMPE1601_REG_GPIO_PU_MSB 0x90 +#define STMPE1601_REG_GPIO_PU_LSB 0x91 +#define STMPE1601_REG_GPIO_AF_U_MSB 0x92 + +#define STMPE1601_SYS_CTRL_ENABLE_GPIO (1 << 3) +#define STMPE1601_SYS_CTRL_ENABLE_KPC (1 << 1) +#define STMPE1601_SYS_CTRL_ENABLE_SPWM (1 << 0) + +/* The 1601/2403 share the same masks */ +#define STMPE1601_AUTOSLEEP_TIMEOUT_MASK (0x7) +#define STPME1601_AUTOSLEEP_ENABLE (1 << 3) + +/* + * STMPE1801 + */ +#define STMPE1801_ID 0xc110 +#define STMPE1801_NR_INTERNAL_IRQS 5 +#define STMPE1801_IRQ_KEYPAD_COMBI 4 +#define STMPE1801_IRQ_GPIOC 3 +#define STMPE1801_IRQ_KEYPAD_OVER 2 +#define STMPE1801_IRQ_KEYPAD 1 +#define STMPE1801_IRQ_WAKEUP 0 + +#define STMPE1801_REG_CHIP_ID 0x00 +#define STMPE1801_REG_SYS_CTRL 0x02 +#define STMPE1801_REG_INT_CTRL_LOW 0x04 +#define STMPE1801_REG_INT_EN_MASK_LOW 0x06 +#define STMPE1801_REG_INT_STA_LOW 0x08 +#define STMPE1801_REG_INT_EN_GPIO_MASK_LOW 0x0A +#define STMPE1801_REG_INT_EN_GPIO_MASK_MID 0x0B +#define STMPE1801_REG_INT_EN_GPIO_MASK_HIGH 0x0C +#define STMPE1801_REG_INT_STA_GPIO_LOW 0x0D +#define STMPE1801_REG_INT_STA_GPIO_MID 0x0E +#define STMPE1801_REG_INT_STA_GPIO_HIGH 0x0F +#define STMPE1801_REG_GPIO_SET_LOW 0x10 +#define STMPE1801_REG_GPIO_SET_MID 0x11 +#define STMPE1801_REG_GPIO_SET_HIGH 0x12 +#define STMPE1801_REG_GPIO_CLR_LOW 0x13 +#define STMPE1801_REG_GPIO_CLR_MID 0x14 +#define STMPE1801_REG_GPIO_CLR_HIGH 0x15 +#define STMPE1801_REG_GPIO_MP_LOW 0x16 +#define STMPE1801_REG_GPIO_MP_MID 0x17 +#define STMPE1801_REG_GPIO_MP_HIGH 0x18 +#define STMPE1801_REG_GPIO_SET_DIR_LOW 0x19 +#define STMPE1801_REG_GPIO_SET_DIR_MID 0x1A +#define STMPE1801_REG_GPIO_SET_DIR_HIGH 0x1B +#define STMPE1801_REG_GPIO_RE_LOW 0x1C +#define STMPE1801_REG_GPIO_RE_MID 0x1D +#define STMPE1801_REG_GPIO_RE_HIGH 0x1E +#define STMPE1801_REG_GPIO_FE_LOW 0x1F +#define STMPE1801_REG_GPIO_FE_MID 0x20 +#define STMPE1801_REG_GPIO_FE_HIGH 0x21 +#define STMPE1801_REG_GPIO_PULL_UP_LOW 0x22 +#define STMPE1801_REG_GPIO_PULL_UP_MID 0x23 +#define STMPE1801_REG_GPIO_PULL_UP_HIGH 0x24 + +#define STMPE1801_MSK_INT_EN_KPC (1 << 1) +#define STMPE1801_MSK_INT_EN_GPIO (1 << 3) + +/* + * STMPE24xx + */ + +#define STMPE24XX_IRQ_GPIOC 8 +#define STMPE24XX_IRQ_PWM2 7 +#define STMPE24XX_IRQ_PWM1 6 +#define STMPE24XX_IRQ_PWM0 5 +#define STMPE24XX_IRQ_ROT_OVER 4 +#define STMPE24XX_IRQ_ROT 3 +#define STMPE24XX_IRQ_KEYPAD_OVER 2 +#define STMPE24XX_IRQ_KEYPAD 1 +#define STMPE24XX_IRQ_WAKEUP 0 +#define STMPE24XX_NR_INTERNAL_IRQS 9 + +#define STMPE24XX_REG_SYS_CTRL 0x02 +#define STMPE24XX_REG_SYS_CTRL2 0x03 +#define STMPE24XX_REG_ICR_MSB 0x10 +#define STMPE24XX_REG_ICR_LSB 0x11 +#define STMPE24XX_REG_IER_MSB 0x12 +#define STMPE24XX_REG_IER_LSB 0x13 +#define STMPE24XX_REG_ISR_MSB 0x14 +#define STMPE24XX_REG_ISR_LSB 0x15 +#define STMPE24XX_REG_IEGPIOR_MSB 0x16 +#define STMPE24XX_REG_IEGPIOR_CSB 0x17 +#define STMPE24XX_REG_IEGPIOR_LSB 0x18 +#define STMPE24XX_REG_ISGPIOR_MSB 0x19 +#define STMPE24XX_REG_ISGPIOR_CSB 0x1A +#define STMPE24XX_REG_ISGPIOR_LSB 0x1B +#define STMPE24XX_REG_CHIP_ID 0x80 +#define STMPE24XX_REG_GPSR_MSB 0x83 +#define STMPE24XX_REG_GPSR_CSB 0x84 +#define STMPE24XX_REG_GPSR_LSB 0x85 +#define STMPE24XX_REG_GPCR_MSB 0x86 +#define STMPE24XX_REG_GPCR_CSB 0x87 +#define STMPE24XX_REG_GPCR_LSB 0x88 +#define STMPE24XX_REG_GPDR_MSB 0x89 +#define STMPE24XX_REG_GPDR_CSB 0x8A +#define STMPE24XX_REG_GPDR_LSB 0x8B +#define STMPE24XX_REG_GPEDR_MSB 0x8C +#define STMPE24XX_REG_GPEDR_CSB 0x8D +#define STMPE24XX_REG_GPEDR_LSB 0x8E +#define STMPE24XX_REG_GPRER_MSB 0x8F +#define STMPE24XX_REG_GPRER_CSB 0x90 +#define STMPE24XX_REG_GPRER_LSB 0x91 +#define STMPE24XX_REG_GPFER_MSB 0x92 +#define STMPE24XX_REG_GPFER_CSB 0x93 +#define STMPE24XX_REG_GPFER_LSB 0x94 +#define STMPE24XX_REG_GPPUR_MSB 0x95 +#define STMPE24XX_REG_GPPUR_CSB 0x96 +#define STMPE24XX_REG_GPPUR_LSB 0x97 +#define STMPE24XX_REG_GPPDR_MSB 0x98 +#define STMPE24XX_REG_GPPDR_CSB 0x99 +#define STMPE24XX_REG_GPPDR_LSB 0x9A +#define STMPE24XX_REG_GPAFR_U_MSB 0x9B +#define STMPE24XX_REG_GPMR_MSB 0xA2 +#define STMPE24XX_REG_GPMR_CSB 0xA3 +#define STMPE24XX_REG_GPMR_LSB 0xA4 +#define STMPE24XX_SYS_CTRL_ENABLE_GPIO (1 << 3) +#define STMPE24XX_SYSCON_ENABLE_PWM (1 << 2) +#define STMPE24XX_SYS_CTRL_ENABLE_KPC (1 << 1) +#define STMPE24XX_SYSCON_ENABLE_ROT (1 << 0) + +#endif |